Quigley, J. M., Thompson, J. C., Halfpenny, N. J., & Scott, D. A. (2019). Critical appraisal of nonrandomized studies—A review of recommended and commonly used tools. Journal of evaluation in clinical practice, 25(1), 44-52. https://doi.org/10.1111/jep.12889
Chicago-Zitierstil (17. Ausg.)Quigley, Joan M., Juliette C. Thompson, Nicholas J. Halfpenny, und David A. Scott. "Critical Appraisal of Nonrandomized Studies—A Review of Recommended and Commonly Used Tools." Journal of Evaluation in Clinical Practice 25, no. 1 (2019): 44-52. https://doi.org/10.1111/jep.12889.
MLA-Zitierstil (9. Ausg.)Quigley, Joan M., et al. "Critical Appraisal of Nonrandomized Studies—A Review of Recommended and Commonly Used Tools." Journal of Evaluation in Clinical Practice, vol. 25, no. 1, 2019, pp. 44-52, https://doi.org/10.1111/jep.12889.